Live › vulnerability › CVE-2026-101620
Go to dashboardA flaw in the MySQL Server optimizer, affecting versions 9.7.0 through 9.7.3 of MySQL Server and MySQL Cluster, can be triggered by an authenticated low-privileged user over the network. A successful attack causes a hang or a repeatable crash, which denies service to the database.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Teams running MySQL Server or MySQL Cluster in the affected 9.7.0 to 9.7.3 range are exposed. The attacker needs a valid low-privileged database account that can reach the server over the network. Systems on unaffected versions can skip this.
No product ranges from the sources yet.
mysqld --version or SELECT VERSION(); and compare against the affected range 9.7.0 to 9.7.3ndb_mgm -e show9.7.3 (the sources do not name the fixed version)Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3; MySQL Cluster: 9.7.0-9.7.3. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
This page as .md · .json · in your agent: get_signal("CVE-2026-101620")
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.